Assignee
WELSH ROBERT C
US·3 granted patents·50 citations·filing 1978–1988
Top patents by PatentIndex Score
3 records- 0154US4173798AIntra-ocular lensWELSH ROBERT C·Filed 1978·Granted Nov 13, 1979·38 cites·5 claims
- 0237US4690522AMicroscope illuminator supportWELSH ROBERT C·Filed 1985·Granted Sep 1, 1987·9 cites·10 claims
- 0328US4856742AConversion bracket for portable microscopesWELSH ROBERT C·Filed 1988·Granted Aug 15, 1989·3 cites·5 claims
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